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DOI10.1016/j.scitotenv.2018.08.095
Temperature variability and mortality in rural and urban areas in Zhejiang province, China: An application of a spatiotemporal index
Hu, Kejia1,2; Guo, Yuming2; Yang, Xuchao1,3; Zhong, Jieming4; Fei, Fangrong4; Chen, Feng5; Zhao, Qi2; Zhang, Yunquan6; Chen, Gongbo2; Chen, Qian1; Ye, Tingting1; Li, Shanshan2; Qi, Jiaguo3
发表日期2019
ISSN0048-9697
EISSN1879-1026
卷号647页码:1044-1051
英文摘要

Background: Temperature variability (TV) is a potential trigger for death in urban areas, but there is little evidence of this in rural areas. In addition, a typical TV index only considers the temporal variability of temperature and ignores its spatial variability, which should be considered due to the effects of human mobility. Here this study aimed to 1) develop a novel spatiotemporal TV index accounting for human mobility; and 2) based on this index, explore the urban-rural differences in TV-mortality associations in China.


Methods: We collected daily data on fine-gridded hourly temperatures and >2 million deaths that occurred in Zhejiang province, China from 2009 to 2015. A spatiotemporal TV index was developed by calculating the standard deviation of the hourly temperatures from multi-site records over the course of several exposure days. A three-stage analysis was performed to estimate the mortality risks and mortality burdens of TV. Stratified analyses were performed by cause-specific mortality, urban/rural district, age and gender.


Results: Significant associations were found between TV and all types of targeted diseases, age groups, and genders. Percentage increase inmortality associated with a 1 degrees C increase in TV at 0-7 exposure days were found to be higher for rural dwellers than urban dwellers in the warm season [ for all-cause mortality, 2.07% (95% CI: 1.49%, 2.64%) vs. 1.16% (95% CI: 0.70%, 1.62%)]. An estimated all-causemortality fraction of 5.33% was attributable to TV, with 4.99% in urban areas and 6.02% in rural areas. The elderly (aged 65+years) and females were more sensitive to TV than young people and males, respectively.


Conclusions: A spatiotemporal TV index was developed, considering both the temporal and spatial variability of temperatures. TV is an independent health risk factor. In China, rural areas generally suffer greater TV-related mortality risks than urban areas in the warm season. Our findings have important implications for developing area-, cause-, and group-specific adaptation strategies and emergency planning to reduce TV-related mortality. (C) 2018 Elsevier B.V. All rights reserved.


WOS研究方向Environmental Sciences & Ecology
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/91988
作者单位1.Zhejiang Univ, Ocean Coll, Inst Isl & Coastal Ecosyst, Zhoushan Campus,Haike Bldg 357,1 Zheda Rd, Zhoushan 316021, Peoples R China;
2.Monash Univ, Dept Epidemiol & Prevent Med, Sch Publ Hlth & Prevent Med, Melbourne, Vic 3004, Australia;
3.Michigan State Univ, Ctr Global Change & Earth Observat, E Lansing, MI 48823 USA;
4.Zhejiang Prov Ctr Disease Control & Prevent, Hangzhou 310051, Zhejiang, Peoples R China;
5.Zhejiang Inst Meteorol Sci, Hangzhou 310008, Zhejiang, Peoples R China;
6.Wuhan Univ, Sch Hlth Sci, Dept Epidemiol & Biostat, Wuhan 430071, Hubei, Peoples R China
推荐引用方式
GB/T 7714
Hu, Kejia,Guo, Yuming,Yang, Xuchao,et al. Temperature variability and mortality in rural and urban areas in Zhejiang province, China: An application of a spatiotemporal index[J],2019,647:1044-1051.
APA Hu, Kejia.,Guo, Yuming.,Yang, Xuchao.,Zhong, Jieming.,Fei, Fangrong.,...&Qi, Jiaguo.(2019).Temperature variability and mortality in rural and urban areas in Zhejiang province, China: An application of a spatiotemporal index.SCIENCE OF THE TOTAL ENVIRONMENT,647,1044-1051.
MLA Hu, Kejia,et al."Temperature variability and mortality in rural and urban areas in Zhejiang province, China: An application of a spatiotemporal index".SCIENCE OF THE TOTAL ENVIRONMENT 647(2019):1044-1051.
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